If two or more things are interdependent, each one needs the others, and the others need it. They are tied together, not just sitting side by side.

If two or more things are interdependent如果兩個以上的東西是 interdependent（相互依存）的， each one每一個 needs the others都需要其他的， and而 the others其他的 need it也需要它。They它們 are tied together是綁在一起的， not just sitting side by side而不只是擺在旁邊而已。

Countries can be interdependent when they trade; family members can be interdependent in daily life; the heart, lungs, and blood are interdependent because each keeps the others working.

Countries國家之間 can be interdependent when they trade做貿易時可以是 interdependent 的； family members家庭成員之間 can be interdependent in daily life在日常生活裡也可以 interdependent； the heart, lungs, and blood心臟、肺、和血液 are interdependent是 interdependent 的 because each keeps the others working因為彼此都靠對方才能運作。

This is the adjective that matches the noun interdependence. It is a careful, rather school-like word.

This這個字 is是 the adjective that matches the noun interdependence和名詞 interdependence（相互依存）搭配的形容詞。It它 is是 a careful, rather school-like word一個用字謹慎、有點學術味的詞。

Though actually, people do not usually use it for a small, one-way favour (“she helped me once”). They use it when the need really runs both ways, and when breaking the link would hurt more than one side.

Though actually不過其實， people大家 do not usually use it一般不會用這個字 for a small, one-way favour來形容一個小小的、單向的幫忙 (“she helped me once”)（像「她幫過我一次」這種）。They大家 use it會用這個字 when the need really runs both ways是在需求真的是雙向的時候， and而且 when breaking the link would hurt more than one side是在切斷這個關係會傷到不只一方的時候。